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Python: rewrite simpleLocalFlowStep

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to take into account the split between
import time and runtime.
This commit is contained in:
Rasmus Lerchedahl Petersen
2021-09-09 12:43:08 +02:00
parent a9c409403c
commit e27b3162e5
5 changed files with 84 additions and 23 deletions
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13
python/ql/test/experimental/dataflow/module-initialization/localFlow.expected
View File

@@ -13,32 +13,45 @@
| multiphase.py:2:8:2:9 | GSSA Variable os | multiphase.py:4:17:4:18 | ControlFlowNode for os |
| multiphase.py:4:17:4:18 | ControlFlowNode for os | multiphase.py:4:33:4:34 | ControlFlowNode for os |
| multiphase.py:4:17:4:18 | [post read] ControlFlowNode for os | multiphase.py:4:33:4:34 | ControlFlowNode for os |
| multiphase.py:8:1:8:9 | ControlFlowNode for NONSOURCE | multiphase.py:0:0:0:0 | ModuleVariableNode for Global Variable NONSOURCE in Module multiphase |
| multiphase.py:8:1:8:9 | GSSA Variable NONSOURCE | multiphase.py:34:7:34:15 | ControlFlowNode for NONSOURCE |
| multiphase.py:8:13:8:26 | ControlFlowNode for Str | multiphase.py:8:1:8:9 | GSSA Variable NONSOURCE |
| multiphase.py:9:1:9:6 | ControlFlowNode for SOURCE | multiphase.py:0:0:0:0 | ModuleVariableNode for Global Variable SOURCE in Module multiphase |
| multiphase.py:9:10:9:17 | ControlFlowNode for Str | multiphase.py:9:1:9:6 | GSSA Variable SOURCE |
| multiphase.py:12:1:12:17 | ControlFlowNode for FunctionExpr | multiphase.py:12:5:12:13 | GSSA Variable is_source |
| multiphase.py:12:5:12:13 | ControlFlowNode for is_source | multiphase.py:0:0:0:0 | ModuleVariableNode for Global Variable is_source in Module multiphase |
| multiphase.py:16:1:16:12 | ControlFlowNode for FunctionExpr | multiphase.py:16:5:16:8 | GSSA Variable SINK |
| multiphase.py:16:5:16:8 | ControlFlowNode for SINK | multiphase.py:0:0:0:0 | ModuleVariableNode for Global Variable SINK in Module multiphase |
| multiphase.py:23:1:23:14 | ControlFlowNode for FunctionExpr | multiphase.py:23:5:23:10 | GSSA Variable SINK_F |
| multiphase.py:29:1:29:14 | ControlFlowNode for FunctionExpr | multiphase.py:29:5:29:11 | GSSA Variable set_foo |
| multiphase.py:29:5:29:11 | ControlFlowNode for set_foo | multiphase.py:0:0:0:0 | ModuleVariableNode for Global Variable set_foo in Module multiphase |
| multiphase.py:29:5:29:11 | GSSA Variable set_foo | multiphase.py:35:1:35:7 | ControlFlowNode for set_foo |
| multiphase.py:34:1:34:3 | ControlFlowNode for foo | multiphase.py:0:0:0:0 | ModuleVariableNode for Global Variable foo in Module multiphase |
| multiphase.py:34:7:34:15 | ControlFlowNode for NONSOURCE | multiphase.py:34:1:34:3 | GSSA Variable foo |
| multiphase.py:37:2:37:11 | ControlFlowNode for expects()() | multiphase.py:38:5:38:15 | GSSA Variable test_phases |
| test.py:2:13:2:26 | ControlFlowNode for Str | test.py:2:1:2:9 | GSSA Variable NONSOURCE |
| test.py:3:10:3:17 | ControlFlowNode for Str | test.py:3:1:3:6 | GSSA Variable SOURCE |
| test.py:6:1:6:17 | ControlFlowNode for FunctionExpr | test.py:6:5:6:13 | GSSA Variable is_source |
| test.py:6:5:6:13 | ControlFlowNode for is_source | test.py:0:0:0:0 | ModuleVariableNode for Global Variable is_source in Module test |
| test.py:10:1:10:12 | ControlFlowNode for FunctionExpr | test.py:10:5:10:8 | GSSA Variable SINK |
| test.py:10:5:10:8 | ControlFlowNode for SINK | test.py:0:0:0:0 | ModuleVariableNode for Global Variable SINK in Module test |
| test.py:17:1:17:14 | ControlFlowNode for FunctionExpr | test.py:17:5:17:10 | GSSA Variable SINK_F |
| test.py:23:8:23:11 | ControlFlowNode for ImportExpr | test.py:23:8:23:11 | GSSA Variable base |
| test.py:23:8:23:11 | GSSA Variable base | test.py:25:1:25:4 | ControlFlowNode for base |
| test.py:27:8:27:9 | ControlFlowNode for ImportExpr | test.py:27:8:27:9 | GSSA Variable m1 |
| test.py:27:8:27:9 | ControlFlowNode for m1 | test.py:0:0:0:0 | ModuleVariableNode for Global Variable m1 in Module test |
| test.py:29:1:29:17 | ControlFlowNode for FunctionExpr | test.py:29:5:29:14 | GSSA Variable test_const |
| test.py:32:1:32:23 | ControlFlowNode for FunctionExpr | test.py:32:5:32:20 | GSSA Variable test_overwritten |
| testOnce.py:2:13:2:26 | ControlFlowNode for Str | testOnce.py:2:1:2:9 | GSSA Variable NONSOURCE |
| testOnce.py:3:10:3:17 | ControlFlowNode for Str | testOnce.py:3:1:3:6 | GSSA Variable SOURCE |
| testOnce.py:6:1:6:17 | ControlFlowNode for FunctionExpr | testOnce.py:6:5:6:13 | GSSA Variable is_source |
| testOnce.py:6:5:6:13 | ControlFlowNode for is_source | testOnce.py:0:0:0:0 | ModuleVariableNode for Global Variable is_source in Module testOnce |
| testOnce.py:10:1:10:12 | ControlFlowNode for FunctionExpr | testOnce.py:10:5:10:8 | GSSA Variable SINK |
| testOnce.py:10:5:10:8 | ControlFlowNode for SINK | testOnce.py:0:0:0:0 | ModuleVariableNode for Global Variable SINK in Module testOnce |
| testOnce.py:17:1:17:14 | ControlFlowNode for FunctionExpr | testOnce.py:17:5:17:10 | GSSA Variable SINK_F |
| testOnce.py:17:5:17:10 | ControlFlowNode for SINK_F | testOnce.py:0:0:0:0 | ModuleVariableNode for Global Variable SINK_F in Module testOnce |
| testOnce.py:23:8:23:9 | ControlFlowNode for ImportExpr | testOnce.py:23:8:23:9 | GSSA Variable m1 |
| testOnce.py:23:8:23:9 | ControlFlowNode for m1 | testOnce.py:0:0:0:0 | ModuleVariableNode for Global Variable m1 in Module testOnce |
| testOnce.py:25:8:25:11 | ControlFlowNode for ImportExpr | testOnce.py:25:8:25:11 | GSSA Variable base |
| testOnce.py:25:8:25:11 | GSSA Variable base | testOnce.py:27:1:27:4 | ControlFlowNode for base |
| testOnce.py:29:1:29:17 | ControlFlowNode for FunctionExpr | testOnce.py:29:5:29:14 | GSSA Variable test_const |

1
python/ql/test/experimental/dataflow/module-initialization/localFlow.ql
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@@ -5,6 +5,7 @@ import semmle.python.dataflow.new.DataFlow
pragma[inline]
predicate inCodebase(DataFlow::Node node) { exists(node.getLocation().getFile().getRelativePath()) }
pragma[inline]
predicate isTopLevel(DataFlow::Node node) { node.getScope() instanceof Module }
predicate inFocus(DataFlow::Node node) {